<template name="sunui-upimg">
	<view class="sunui-uploader-bd">
		<view class="sunui-uploader-files">
			<block v-for="(item, index) in upload_before_list" :key="index">
				<view class="sunui-uploader-file"
					:class="[item.upload_progress < 100 ? 'sunui-uploader-file-status' : '']"
					:style="'width:' + upload_img_wh + 'rpx; height:' + upload_img_wh + 'rpx;'">
					<image class="sunui-uploader-img"
						:style="'width:' + upload_img_wh + 'rpx; height:' + upload_img_wh + 'rpx;'" :src="item.path"
						mode="aspectFill" @tap="preview(index)" v-if="type === '1'" />
					<video :id="`myVideo_${index}`" :src="item.path" :data-index="index" @play="videoPlay"
						@error="videoError" controls :enable-play-gesture="true" objectFit="contain"
						:style="'width:' + upload_img_wh + 'rpx; height:' + upload_img_wh + 'rpx;'"
						v-if="type === '2'"></video>
					<view class="sunui-img-removeicon right" @tap.stop="remove(index)" v-show="upimg_move">x</view>
					<view class="sunui-loader-filecontent" v-if="item.upload_progress < 100">{{item.upload_progress}}%
					</view>
				</view>
			</block>
			<view v-show="upload_before_list.length < upload_count" hover-class="sunui-uploader-hover"
				class="sunui-uploader-inputbox" @tap="choose"
				:style="'width:' + upload_img_wh + 'rpx; height:' + upload_img_wh + 'rpx;'">
				<view :style="'line-height:'+ upload_img_wh + 'rpx;'"><text class="iconfont icon-mn_shangchuantupian"
						style="color: #666;"></text></view>
			</view>
		</view>
	</view>
</template>
<script>
	export default {
		data() {
			return {
				// 选择图片tempFile
				upload_cache: [],
				// 预览数组->支持从服务器拉取
				upload_cache_list: [],
				// 上传数组
				upload_before_list: [],
				// 图片大小
				upload_img_size: [],
				// 超出限制数组
				upload_exceeded_list: [],
				// 上传数量
				upload_count: 9,
				// 最大上传容量(M)
				upload_picture_max: 100,
				upload_video_max: 200,
				// 图片/选择宽高
				upload_img_wh: 162,
				// 测试接口(建议七牛、阿里云、腾讯云都采用后端对接，直接调用后端上传)
				// url: '',
				//上传视频为video
				header: {},
				videoContext: [],
			}
		},
		name: 'sunui-upimg',
		props: {
			upload_auto: {
				type: Boolean,
				default: true
			},
			upimg_move: {
				type: Boolean,
				default: true
			},
			type: {
				type: String,
				default: '1'
			},
			url: {
				type: String,
				default: 'https://wine.hnliandesy.com/api/upload'
			}
		},
		onReady(res) {
			this.$nextTick(() => {
				for (let i = 0; i < 10; i++) {
					this.videoContext[i] = uni.createVideoContext(`myVideo_${i}`);
				}
			});
		},
		created() {

		},
		mounted() {

		},
		// watch: {
		// url(val) {
		// 	this.upload_before_list.map((item) => {
		// 		this.upload_cache_list.push(item.path);
		// 	});
		// 	this.emit();
		// }
		// },
		methods: {
			videoPlay(e) {
				let index = e.currentTarget.dataset.index;
				this.videoContext = uni.createVideoContext(`myVideo_${index}`);
				this.videoContext.requestFullScreen();

				for (let i = 0; i < this.upload_before_list.length; i++) {
					if (i != index) this.videoContext[i].pause();
				}
			},
			videoError(e) {
				this.$api.msg('网络错误，请稍后重试！')
			},

			uploadFile(paths) {
				const promises = paths.map((path) => {
					return this.promisify(this.uploader)({
						url: this.url,
						path: path,
						name: 'file',
						header: this.header,
						extra: {},
					});
				});

				uni.showLoading({
					title: `正在上传...`,
				});
				Promise.all(promises).then((result) => {
					uni.hideLoading();
					result.map((item) => {
						this.upload_cache_list.push(item);
					})

					this.emit();
					this.$api.msg('上传成功！');
				}).catch((error) => {
					uni.hideLoading();
					this.upload_cache_list.push(''); //和upload_cache_list进行对应
					this.$api.msg(error.msg)
				})
			},

			choose() {

				uni.chooseImage({
					count: this.upload_count - this.upload_before_list.length,
					sizeType: ['compressed', 'original'],
					sourceType: ['album', 'camera'],
					success: async (res) => {
						for (let i = 0, len = res.tempFiles.length; i < len; i++) {
							res.tempFiles[i].upload_percent = 0;

							if (Math.ceil(res.tempFiles[i].size / 1024) < this.upload_picture_max *
								1024) {
								// #ifndef MP-WEIXIN
								// console.log('res.tempFiles[i]')
								// if (['image/png', 'image/gif', 'image/jpg', 'image/jpeg'].indexOf(res.tempFiles[i].type) === -1) {
								// 	this.$api.msg('文件类型错误！');
								// 	return false;
								// };
								// #endif
								await this.upload_img_size.push(Math.ceil(res.tempFiles[i].size /
									1024));
								await this.upload_before_list.push(res.tempFiles[i]);
							} else {
								res.tempFilePaths.splice(i, 1);
								this.upload_exceeded_list.push(i === 0 ? 1 : i + 1);
								uni.showModal({
									title: '提示',
									content: `第${[...new Set(this.upload_exceeded_list)].join(',')}张图片超出限制${this.upload_picture_max}MB,已过滤`,
									showCancel: false,
									confirmText: '确认',
									success(res) {
										if (res.confirm) {
											this.upload_exceeded_list.splice(i, 1);
										}
									}
								});
							}
						}
						this.upload_cache = await res.tempFilePaths;
						this.upload(this.upload_auto);
					},
					fail: (err) => {
						console.log(err);
					}
				});
			},
			async upload(upload_auto) {
				upload_auto ? await this.uploadFile(this.upload_cache) : console.warn(
					`传输参数:this.$refs.xx.upload(true)才可上传,默认false`);
			},
			//图片预览
			preview(idx) {
				uni.previewImage({
					urls: this.upload_cache_list[idx]
				});
			},
			//移除图片
			remove(idx) {
				this.upload_before_list.splice(idx, 1);
				this.upload_cache_list.splice(idx, 1);
				this.emit();
			},

			//联动方法
			emit() {
				uni.$emit('changeBusinessImgs', this.upload_cache_list);
			},

			promisify(api) {
				return (options, ...params) => {
					return new Promise((resolve, reject) => {
						api(Object.assign({}, options, {
							success: resolve,
							fail: reject
						}), ...params);
					});
				}
			},
			uploader(options) {
				var url = options.url,
					path = options.path,
					name = options.name,
					header = options.header,
					// data = options.data,
					extra = options.extra,
					success = options.success,
					progress = options.progress,
					fail = options.fail;

				const uploadTask = uni.uploadFile({
					url: url,
					filePath: path,
					name: name,
					header: header,
					formData: extra,
					success(res) {

						let data = JSON.parse(res.data);
						if (res.statusCode === 200) {
							if (data.status == 1) {
								success(data.data);
							} else {
								fail(data);
							}
						} else {
							this.$api.msg('上传失败');
						}
					},
					fail(res) {
						fail(res);
					}
				});

				uploadTask.onProgressUpdate(async (res) => {
					if (this.upload_before_list.length - 1 > -1) {
						this.upload_before_list[this.upload_before_list.length - 1].upload_progress = await res
							.progress;
					}
				});
			}
		}
	}
</script>

<style lang="scss">
	@font-face {
		font-family: "iconfont";
		src: url('//at.alicdn.com/iconfont.eot?t=1574391686418');
		/* IE9 */
		src: url('//at.alicdn.com/iconfont.eot?t=1574391686418#iefix') format('embedded-opentype'),
			/* IE6-IE8 */
			url('data:application/x-font-woff2;charset=utf-8;base64,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') format('woff2'),
			url('//at.alicdn.com/iconfont.woff?t=1574391686418') format('woff'),
			url('//at.alicdn.com/iconfont.ttf?t=1574391686418') format('truetype'),
			/* chrome, firefox, opera, Safari, Android, iOS 4.2+ */
			url('//at.alicdn.com/iconfont.svg?t=1574391686418#iconfont') format('svg');
		/* iOS 4.1- */
	}

	.iconfont {
		font-family: "iconfont" !important;
		font-size: 16px;
		font-style: normal;
		-webkit-font-smoothing: antialiased;
		-moz-osx-font-smoothing: grayscale;
	}

	.icon-mn_shangchuantupian:before {
		content: "\e559";
	}

	.icon-mn_shangchuantupian {
		font-size: 3em;
	}

	.sunui-uploader-img {
		display: block;
	}

	.sunui-uploader-input {
		position: absolute;
		z-index: 1;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
		opacity: 0;
	}

	.sunui-uploader-inputbox {
		position: relative;
		margin-bottom: 16rpx;
		box-sizing: border-box;
		background-color: #ededed;
		display: flex;
		flex-wrap: wrap;
		align-items: center;
		justify-content: center;
	}

	.sunui-img-removeicon {
		position: absolute;
		color: #fff;
		width: 40upx;
		height: 40upx;
		line-height: 40upx;
		z-index: 2;
		text-align: center;
		background-color: #E54D42;

		&.right {
			top: 0;
			right: 0;
		}
	}

	.sunui-uploader-file {
		position: relative;
		margin-right: 16rpx;
		margin-bottom: 16rpx;
	}

	.sunui-uploader-file-status:before {
		content: " ";
		position: absolute;
		top: 0;
		right: 0;
		bottom: 0;
		left: 0;
		background-color: rgba(0, 0, 0, 0.5);
	}

	.sunui-loader-filecontent {
		position: absolute;
		top: 50%;
		left: 50%;
		transform: translate(-50%, -50%);
		color: #fff;
		z-index: 9;
	}

	.sunui-uploader-bd {
		padding: 0;
		margin: 0;
	}

	.sunui-uploader-files {
		display: flex;
		flex-wrap: wrap;
	}

	.sunui-uploader-file:nth-child(4n+0) {
		margin-right: 0;
	}

	.sunui-uploader-inputbox {
		&>view {
			text-align: center;
		}
	}

	.sunui-uploader-file-status:after {
		content: " ";
		position: absolute;
		top: 0;
		right: 0;
		bottom: 0;
		left: 0;
		background-color: rgba(0, 0, 0, 0.5);
	}

	.sunui-uploader-hover {
		box-shadow: 0 0 0 #e5e5e5;
		background: #e5e5e5;
	}
</style>